Building Code Board of Appeals Agenda and Packet 2021 07 15

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WLE u1Ofsv111e Department of Planning and Building Safety Lo COLouano - SINCE 1878 749 Main Street # Louisville CO 80027 # 303.335.4592 # www.louisvilleco.gov Date: July 15, 2021 To: Building Code Board of Appeals From: Chad Root, Chief Building Official Re: Proposing an Energy Code and Green Building Codes City Council has directed staff to move forward on the adoption of the 2021 IECC for both commercial and residential properties. There is also a push for electrification of all buildings in the City of Louisville. The Building Department has hired a consultant to help keep the previsions of the Louisville Prescriptive Energy in the body of the IECC along with trade-offs if someone wanted to use equipment that was not electric to heat with or cool with. I will bring draft documents of ideas and proposals that City staff and the consultant have been working on to meet councils goals on the energy and green building codes. The July 15t" meeting will be the introductory meeting to this concept with other meetings to follow. Katie Baum who is the City Sustainability coordinator will also draft a memo to the board on how we got to this point of looking at adopting the 2021 IECC. As far as the Building Codes I have recommended to City staff that we skip the 2021 I - Codes and look at a possible adoption of the 2024 codes. Code change is costly and time consuming to not just inspectors but also the trades. You will find the Insulation values in the 2021 IECC for Single family homes have increase drastically to R-60 in the ceiling from R-49 and from R-21 to R-20 with R-5 of Continuous insulation on the outside of the walls. This is our current prescriptive Energy Code: City of Louisville Prescriptive Energy Code In Lieu of the 2018 IECC • Both Residential and Commercial Heated Structures shall follow all of the following to be considered under the Prescriptive Energy Code. All other energy code options will need to be inspected and Certified before final inspection is done by a third party inspection group. 11Page